Programme regelmäßig starten

crontab -e

• /etc/crontab
• /etc/cron.d/*
• /var/spool/cron/*

Einfachere Variante:

• /etc/cron.hourly
• /etc/cron.daily
• /etc/cron.weekly
• /etc/cron.monthly

• man 1 crontab
• man 5 crontab
• Wikipedia zu Cron

at now + 3 minutes
echo test > /tmp/test
Strg+d

at 03:14 utc 19.01.2038
echo 32 bit time_t overflow
echo goodbye and thanks for all the fish
shutdown -h now
Strg+d

atq

oder

at -l

at -c 1

atrm 1

• man 1 at